#283471#283471

#283471 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.1% C 0.106 H 271.5°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#283471
RGB	rgb(40, 52, 113)
HSL	hsl(230, 48%, 30%)
HSV	hsv(230, 65%, 44%)
CMYK	cmyk(64.6%, 54%, 0%, 55.7%)
CIE-LAB	lab(24.00, 15.98, -36.90)
CIE-LCH	lch(24.00, 40.21, 293.42°)
OKLab	oklab(35.08% 0.0029 -0.1057)
OKLCH	oklch(35.08% 0.106 271.5)
XYZ	xyz(5.0827, 4.0989, 16.1429)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283471 #716528

analogous

#285871 #283471 #412871

triadic

#283471 #712834 #347128

tetradic

#283471 #712858 #716528 #287141

square

#283471 #712858 #716528 #287141

split-complementary

#283471 #714128 #587128

monochromatic

#080A17 #181F44 #283471 #38499E #5264C2

Accessibility & contrast

On white

11.54

#283471 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#283471 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283471

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283471	#FFFFFF	#000000	##FFFFFF
##283471	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#113C73

Deuteranopia (green-blind)

#003670

Tritanopia (blue-blind)

#00424D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #283471;
/* rgb */ color: rgb(40, 52, 113);
/* oklch */ color: oklch(35.1% 0.106 271.5);

Tailwind

colors: {
  custom: {
    50: '#6a6b9a',
    500: '#283471',
    950: '#000000',
  },
}

SCSS

$custom: #283471;
$custom-light: #6a6b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#283471",
  "rgb": {
    "r": 40,
    "g": 52,
    "b": 113
  },
  "hsl": {
    "h": 230.137,
    "s": 47.712,
    "l": 30
  },
  "oklch": {
    "l": 0.35083,
    "c": 0.10576,
    "h": 271.5
  },
  "luminance": 0.04099
}

Semantic roles & 50–950 ramp

primary

#283471

secondary

#A39652

accent

#C150D7

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #283471

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →